#!/sbin/openrc-run
# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License, v2 or later

extra_commands="checkconfig"

depend() {
	need net
}

# bug #218043
if [ ! -f /etc/init.d/sysfs ]; then
	conf="$(add_suffix /etc/conf.d/vblade)"
	[[ -e "${conf}" ]] && source "${conf}"
	vblade_name="${myservice#*.}"
else
	conf="/etc/conf.d/vblade"
	[[ -e "${conf}" ]] && source "${conf}"
	vblade_name="${RC_SVCNAME#*.}"
fi

vblade_conf_variable="config_${vblade_name}"
vblade_conf="${!vblade_conf_variable}"
pidfile="/var/run/vblade-${vblade_name}.pid"
srvname="vblade.${vblade_name}"

getconfig() {
	tmp="${vblade_conf}"
	shelf="${tmp/ *}"
	tmp="${tmp#* }"
	slot="${tmp/ *}"
	tmp="${tmp#* }"
	netif="${tmp/ *}"
	tmp="${tmp#* }"
	src="${tmp}"
	export shelf slot netif src
}

checkconfig() {
	if [ -z "${vblade_conf}" ]; then
		eerror "vblade configuration not specified for ${vblade_name}"
		return 1
	fi
	getconfig
	
	is_valid_numeric "${shelf}" 0
	if [[ $? -ne 0 ]]; then
		eerror "Shelf '${shelf}' is non-numeric or less than zero."
		return 1
	fi
	is_valid_numeric "${slot}" 0 15
	if [[ $? -ne 0 ]]; then
		eerror "Slot '${slot}' is outside the valid range [0..15]."
		return 1
	fi

	sysfs_base="/sys/class/net/"
	procfs_base="/proc/sys/net/ipv4/conf/"
	if test ! \( -e "${sysfs_base}${netif}" -o -e "${procfs_base}${netif}" \); then
		eerror "Network interface '${netif}' does not exist"
		return 1
	fi
	
	if test ! \( -f "${src}" -o -b "${src}" \) ; then
		eerror "Source '${src}' must be a file or block device"
		return 1
	fi
	
	if test ! \( -e "${src}" -a -r "${src}" \) ; then
		eerror "Source '${src}' is not readable."
		return 1
	fi

	return 0
}

is_valid_numeric() {
	num="${1}"
	min="${2}"
	max="${3}"
	# non-numeric
	test "$num" -ge "0" 2>/dev/null
	rc=$?
	test "$rc" -eq 2 && return 2
	# check for min
	test -z "$min" && return 0
	test "$num" -lt "$min" && return 1
	# check for max
	test -z "$max" && return 0
	test "$num" -gt "$max" && return 1
	# done
	return 0
}

start() {
	checkconfig || return 1
	getconfig
	ebegin "Starting ${srvname}: e${shelf}.${slot} on ${netif} using '${src}'"
	export LOGTAG="${srvname}"
	start-stop-daemon --start --quiet \
	--pidfile ${pidfile} --background \
	--make-pidfile --exec /usr/sbin/vbladed -- \
	${shelf} ${slot} ${netif} "${src}" 
	eend $?
	
	#${shelf} ${slot} ${netif} "${src}" 2>&1 | logger -t ${srvname} &
}

stop() {
	ebegin "Stopping ${srvname}"
	#start-stop-daemon --stop --quiet --pidfile ${pidfile}
	getconfig
	ps -Ao pid,args | egrep "^[[:space:]]*[[:digit:]]+ /usr/sbin/vbladed? ${shelf} ${slot}" | awk '{print $1}' | xargs kill
	eend $?
	
	#start-stop-daemon --stop --quiet --exec /usr/sbin/vblade
}

# vim: ft=gentoo-init-d syntax=gentoo-init-d :
# vim: ai sw=4 sts=4 ts=4 :
